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CVE-2020-6809 is a high severity vulnerability with a CVSS score of 7.5. No known exploits currently, and patches are available.
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Very low probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
When a Web Extension had the all-urls permission and made a fetch request with a mode set to 'same-origin', it was possible for the Web Extension to read local files. This vulnerability affects Firefox < 74.
| Vendor | Product |
|---|---|
| Mozilla | Firefox |